Home / 61,115.20-91,677.60-26,055.12

Finding the Fourth Proportional to 61,115.20, 91,677.60 and 26,055.12

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Solution

The fourth proportional to 61,115.20, 91,677.60 and 26,055.12 is: 39,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,115.20 : 91,677.60 = 26,055.12 : x
  2. Step 2: Convert to fraction form
    61,115.20/91,677.60 = 26,055.12/x
  3. Step 3: Cross multiply
    61,115.20x = 91,677.60 × 26,055.12
  4. Step 4: Simplify right side
    61,115.20x = 2,388,670,869.31
  5. Step 5: Solve for x
    x = 2,388,670,869.31/61,115.20
  6. Step 6: Final answer
    x = 39,084.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.